> Dear all > I have many points in a map layer which i want to surround with a polygon. > Is there a way to automatically create optimum polygons that each enclose > only one point and snap at their vertices? > Thank you > I think a delaunay triangulation could do the trick. Search this list for delaunay. A thread like 'Voronoi / Dalaunay function (solved)' may be usefull. Nicolas